Merge branch 'cq_limited_pollers' of github.com:sreecha/grpc into uberpoll

8 years ago · 7188c9d05a
parent 1f47730377 5a1a3b49f4
commit 7188c9d05a
27 changed files with 2272 additions and 1 deletions
--- a/2
+++ b/2
@ -482,6 +482,7 @@ grpc_cc_library(
        "src/core/lib/iomgr/ev_epollex_linux.c",
        "src/core/lib/iomgr/is_epollexclusive_available.c",
        "src/core/lib/iomgr/ev_epoll_thread_pool_linux.c",
+        "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c",
        "src/core/lib/iomgr/ev_poll_posix.c",
        "src/core/lib/iomgr/ev_posix.c",
        "src/core/lib/iomgr/exec_ctx.c",
@ -608,6 +609,7 @@ grpc_cc_library(
        "src/core/lib/iomgr/is_epollexclusive_available.h",
        "src/core/lib/iomgr/sys_epoll_wrapper.h",
        "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h",
+        "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h",
        "src/core/lib/iomgr/ev_poll_posix.h",
        "src/core/lib/iomgr/ev_posix.h",
        "src/core/lib/iomgr/exec_ctx.h",
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -939,6 +939,7 @@ add_library(grpc
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
@ -1272,6 +1273,7 @@ add_library(grpc_cronet
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
@ -1588,6 +1590,7 @@ add_library(grpc_test_util
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
@ -1849,6 +1852,7 @@ add_library(grpc_unsecure
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
@ -2275,6 +2279,7 @@ add_library(grpc++
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
@ -2605,6 +2610,7 @@ add_library(grpc++_cronet
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
@ -3379,6 +3385,7 @@ add_library(grpc++_unsecure
  src/core/lib/iomgr/endpoint_pair_windows.c
  src/core/lib/iomgr/error.c
  src/core/lib/iomgr/ev_epoll1_linux.c
+  src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  src/core/lib/iomgr/ev_epollex_linux.c
  src/core/lib/iomgr/ev_epollsig_linux.c
--- a/7
+++ b/7
@ -2922,6 +2922,7 @@ LIBGRPC_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
@ -3253,6 +3254,7 @@ LIBGRPC_CRONET_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
@ -3568,6 +3570,7 @@ LIBGRPC_TEST_UTIL_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
@ -3801,6 +3804,7 @@ LIBGRPC_UNSECURE_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
@ -4204,6 +4208,7 @@ LIBGRPC++_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
@ -4542,6 +4547,7 @@ LIBGRPC++_CRONET_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
@ -5306,6 +5312,7 @@ LIBGRPC++_UNSECURE_SRC = \
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
--- a/binding.gyp
+++ b/binding.gyp
@ -674,6 +674,7 @@
        'src/core/lib/iomgr/endpoint_pair_windows.c',
        'src/core/lib/iomgr/error.c',
        'src/core/lib/iomgr/ev_epoll1_linux.c',
+        'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c',
        'src/core/lib/iomgr/ev_epoll_thread_pool_linux.c',
        'src/core/lib/iomgr/ev_epollex_linux.c',
        'src/core/lib/iomgr/ev_epollsig_linux.c',
--- a/build.yaml
+++ b/build.yaml
@ -197,6 +197,7 @@ filegroups:
  - src/core/lib/iomgr/error.h
  - src/core/lib/iomgr/error_internal.h
  - src/core/lib/iomgr/ev_epoll1_linux.h
+  - src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h
  - src/core/lib/iomgr/ev_epoll_thread_pool_linux.h
  - src/core/lib/iomgr/ev_epollex_linux.h
  - src/core/lib/iomgr/ev_epollsig_linux.h
@ -309,6 +310,7 @@ filegroups:
  - src/core/lib/iomgr/endpoint_pair_windows.c
  - src/core/lib/iomgr/error.c
  - src/core/lib/iomgr/ev_epoll1_linux.c
+  - src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
  - src/core/lib/iomgr/ev_epoll_thread_pool_linux.c
  - src/core/lib/iomgr/ev_epollex_linux.c
  - src/core/lib/iomgr/ev_epollsig_linux.c
--- a/config.m4
+++ b/config.m4
@ -108,6 +108,7 @@ if test "$PHP_GRPC" != "no"; then
    src/core/lib/iomgr/endpoint_pair_windows.c \
    src/core/lib/iomgr/error.c \
    src/core/lib/iomgr/ev_epoll1_linux.c \
+    src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
    src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
    src/core/lib/iomgr/ev_epollex_linux.c \
    src/core/lib/iomgr/ev_epollsig_linux.c \
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@ -279,6 +279,7 @@ Pod::Spec.new do |s|
                      'src/core/lib/iomgr/error.h',
                      'src/core/lib/iomgr/error_internal.h',
                      'src/core/lib/iomgr/ev_epoll1_linux.h',
+                      'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h',
                      'src/core/lib/iomgr/ev_epoll_thread_pool_linux.h',
                      'src/core/lib/iomgr/ev_epollex_linux.h',
                      'src/core/lib/iomgr/ev_epollsig_linux.h',
@ -493,6 +494,7 @@ Pod::Spec.new do |s|
                      'src/core/lib/iomgr/endpoint_pair_windows.c',
                      'src/core/lib/iomgr/error.c',
                      'src/core/lib/iomgr/ev_epoll1_linux.c',
+                      'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c',
                      'src/core/lib/iomgr/ev_epoll_thread_pool_linux.c',
                      'src/core/lib/iomgr/ev_epollex_linux.c',
                      'src/core/lib/iomgr/ev_epollsig_linux.c',
@ -755,6 +757,7 @@ Pod::Spec.new do |s|
                              'src/core/lib/iomgr/error.h',
                              'src/core/lib/iomgr/error_internal.h',
                              'src/core/lib/iomgr/ev_epoll1_linux.h',
+                              'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h',
                              'src/core/lib/iomgr/ev_epoll_thread_pool_linux.h',
                              'src/core/lib/iomgr/ev_epollex_linux.h',
                              'src/core/lib/iomgr/ev_epollsig_linux.h',
--- a/grpc.gemspec
+++ b/grpc.gemspec
@ -195,6 +195,7 @@ Gem::Specification.new do |s|
  s.files += %w( src/core/lib/iomgr/error.h )
  s.files += %w( src/core/lib/iomgr/error_internal.h )
  s.files += %w( src/core/lib/iomgr/ev_epoll1_linux.h )
+  s.files += %w( src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h )
  s.files += %w( src/core/lib/iomgr/ev_epoll_thread_pool_linux.h )
  s.files += %w( src/core/lib/iomgr/ev_epollex_linux.h )
  s.files += %w( src/core/lib/iomgr/ev_epollsig_linux.h )
@ -409,6 +410,7 @@ Gem::Specification.new do |s|
  s.files += %w( src/core/lib/iomgr/endpoint_pair_windows.c )
  s.files += %w( src/core/lib/iomgr/error.c )
  s.files += %w( src/core/lib/iomgr/ev_epoll1_linux.c )
+  s.files += %w( src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c )
  s.files += %w( src/core/lib/iomgr/ev_epoll_thread_pool_linux.c )
  s.files += %w( src/core/lib/iomgr/ev_epollex_linux.c )
  s.files += %w( src/core/lib/iomgr/ev_epollsig_linux.c )
--- a/include/grpc++/server_builder.h
+++ b/include/grpc++/server_builder.h
@ -195,7 +195,7 @@ class ServerBuilder {

  struct SyncServerSettings {
    SyncServerSettings()
-        : num_cqs(GPR_MAX(1, gpr_cpu_num_cores())),
+        : num_cqs(gpr_cpu_num_cores()),
          min_pollers(1),
          max_pollers(2),
          cq_timeout_msec(10000) {}
--- a/package.xml
+++ b/package.xml
@ -204,6 +204,7 @@
    <file baseinstalldir="/" name="src/core/lib/iomgr/error.h" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/error_internal.h" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll1_linux.h" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_thread_pool_linux.h" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollex_linux.h" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollsig_linux.h" role="src" />
@ -418,6 +419,7 @@
    <file baseinstalldir="/" name="src/core/lib/iomgr/endpoint_pair_windows.c" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/error.c" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll1_linux.c" role="src" />
+    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epoll_thread_pool_linux.c" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollex_linux.c" role="src" />
    <file baseinstalldir="/" name="src/core/lib/iomgr/ev_epollsig_linux.c" role="src" />
--- a/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
+++ b/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c
--- a/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h
+++ b/src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h
@ -0,0 +1,43 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_IOMGR_EV_EPOLL_LIMITED_POLLERS_LINUX_H
+#define GRPC_CORE_LIB_IOMGR_EV_EPOLL_LIMITED_POLLERS_LINUX_H
+
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/port.h"
+
+const grpc_event_engine_vtable *grpc_init_epoll_limited_pollers_linux(
+    bool explicitly_requested);
+
+#endif /* GRPC_CORE_LIB_IOMGR_EV_EPOLL_LIMITED_POLLERS_LINUX_H */
--- a/src/core/lib/iomgr/ev_posix.c
+++ b/src/core/lib/iomgr/ev_posix.c
@ -46,6 +46,7 @@

 #include "src/core/lib/debug/trace.h"
 #include "src/core/lib/iomgr/ev_epoll1_linux.h"
+#include "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h"
 #include "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h"
 #include "src/core/lib/iomgr/ev_epollex_linux.h"
 #include "src/core/lib/iomgr/ev_epollsig_linux.h"
@ -77,6 +78,7 @@ static const event_engine_factory g_factories[] = {
    {"epollsig", grpc_init_epollsig_linux},
    {"epoll1", grpc_init_epoll1_linux},
    {"epoll-threadpool", grpc_init_epoll_thread_pool_linux},
+    {"epoll-limited", grpc_init_epoll_limited_pollers_linux},
    {"poll", grpc_init_poll_posix},
    {"poll-cv", grpc_init_poll_cv_posix},
 };
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@ -97,6 +97,7 @@ CORE_SOURCE_FILES = [
  'src/core/lib/iomgr/endpoint_pair_windows.c',
  'src/core/lib/iomgr/error.c',
  'src/core/lib/iomgr/ev_epoll1_linux.c',
+  'src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c',
  'src/core/lib/iomgr/ev_epoll_thread_pool_linux.c',
  'src/core/lib/iomgr/ev_epollex_linux.c',
  'src/core/lib/iomgr/ev_epollsig_linux.c',
--- a/tools/doxygen/Doxyfile.c++.internal
+++ b/tools/doxygen/Doxyfile.c++.internal
@ -941,6 +941,8 @@ src/core/lib/iomgr/error.h \
 src/core/lib/iomgr/error_internal.h \
 src/core/lib/iomgr/ev_epoll1_linux.c \
 src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h \
 src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
 src/core/lib/iomgr/ev_epoll_thread_pool_linux.h \
 src/core/lib/iomgr/ev_epollex_linux.c \
--- a/tools/doxygen/Doxyfile.core.internal
+++ b/tools/doxygen/Doxyfile.core.internal
@ -1080,6 +1080,8 @@ src/core/lib/iomgr/error.h \
 src/core/lib/iomgr/error_internal.h \
 src/core/lib/iomgr/ev_epoll1_linux.c \
 src/core/lib/iomgr/ev_epoll1_linux.h \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c \
+src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h \
 src/core/lib/iomgr/ev_epoll_thread_pool_linux.c \
 src/core/lib/iomgr/ev_epoll_thread_pool_linux.h \
 src/core/lib/iomgr/ev_epollex_linux.c \
--- a/tools/run_tests/generated/sources_and_headers.json
+++ b/tools/run_tests/generated/sources_and_headers.json
@ -7766,6 +7766,7 @@
      "src/core/lib/iomgr/error.h", 
      "src/core/lib/iomgr/error_internal.h", 
      "src/core/lib/iomgr/ev_epoll1_linux.h", 
+      "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h", 
      "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h", 
      "src/core/lib/iomgr/ev_epollex_linux.h", 
      "src/core/lib/iomgr/ev_epollsig_linux.h", 
@ -7912,6 +7913,8 @@
      "src/core/lib/iomgr/error_internal.h", 
      "src/core/lib/iomgr/ev_epoll1_linux.c", 
      "src/core/lib/iomgr/ev_epoll1_linux.h", 
+      "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.c", 
+      "src/core/lib/iomgr/ev_epoll_limited_pollers_linux.h", 
      "src/core/lib/iomgr/ev_epoll_thread_pool_linux.c", 
      "src/core/lib/iomgr/ev_epoll_thread_pool_linux.h", 
      "src/core/lib/iomgr/ev_epollex_linux.c", 
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj
@ -396,6 +396,7 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
@ -616,6 +617,8 @@
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
--- a/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++/grpc++.vcxproj.filters
@ -184,6 +184,9 @@
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
@ -923,6 +926,9 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj
@ -390,6 +390,7 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
@ -600,6 +601,8 @@
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
--- a/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc++_unsecure/grpc++_unsecure.vcxproj.filters
@ -169,6 +169,9 @@
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
@ -890,6 +893,9 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj
@ -320,6 +320,7 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
@ -557,6 +558,8 @@
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
--- a/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc/grpc.vcxproj.filters
@ -64,6 +64,9 @@
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
@ -890,6 +893,9 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj
@ -215,6 +215,7 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
@ -389,6 +390,8 @@
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
--- a/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_test_util/grpc_test_util.vcxproj.filters
@ -121,6 +121,9 @@
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
@ -638,6 +641,9 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj
@ -310,6 +310,7 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\error_internal.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h" />
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.h" />
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollsig_linux.h" />
@ -524,6 +525,8 @@
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epollex_linux.c">
--- a/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
+++ b/vsprojects/vcxproj/grpc_unsecure/grpc_unsecure.vcxproj.filters
@ -67,6 +67,9 @@
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
+    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.c">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClCompile>
    <ClCompile Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.c">
      <Filter>src\core\lib\iomgr</Filter>
    </ClCompile>
@ -800,6 +803,9 @@
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll1_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>
+    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_limited_pollers_linux.h">
+      <Filter>src\core\lib\iomgr</Filter>
+    </ClInclude>
    <ClInclude Include="$(SolutionDir)\..\src\core\lib\iomgr\ev_epoll_thread_pool_linux.h">
      <Filter>src\core\lib\iomgr</Filter>
    </ClInclude>